Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9UUI callsign genealogy
Currently held by TOWSLEY, MARK R
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by K9UUI's current licensee, walking backwards.
- Towsley, Mark RAZgranted 2006-12-05cancelled 2007-02-08
Successor callsigns
Callsigns held now by people who previously held K9UUI.
No current licensee on record previously held this callsign.